diff --git a/lisp/whitespace.el b/lisp/whitespace.el
index 22bfae06975..b45d595cc26 100644
--- a/lisp/whitespace.el
+++ b/lisp/whitespace.el
@@ -1039,6 +1039,9 @@ See also `whitespace-newline' and `whitespace-display-mappings'."
                                 1 -1))
     ;; sync states (running a batch job)
     (setq global-whitespace-newline-mode global-whitespace-mode)))
+(make-obsolete 'global-whitespace-newline-mode
+               "Use `global-whitespace-mode' with `whitespace-style' set to `(newline-mark newline)' instead"
+               "28.1")
 
 
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